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|本期目录/Table of Contents|

假瘤蕨属(水龙骨科)植物鳞片特征的分类学意义

《广西植物》[ISSN:1000-3142/CN:45-1134/Q]

期数:
2011年01期
页码:
14-19
栏目:
植物系统学与演化植物学
出版日期:
2011-01-15

文章信息/Info

Title:
Taxonomic significance of scale characteristics in the fern genus Phymatopteris (Polypodiaceae)
作者:
邵文1陆树刚* 商清春2
1.云南大学 地植物学与生态学研究所, 昆明 650091; 2.牡丹江医学院 影像系, 黑龙江 牡丹江 157011
Author(s):
SHAO Wen 1 LU Shu-Gang * SHANG Qing -Chun 2
1. Institute of Ecology and Geobotany, Yunnan University , Kunming 650091, China; 2. Department ?f Physics, Mudanjiang Medical College , Mudanjiang 157011, China
关键词:
水龙骨科 假瘤蕨属 鳞片特征
Keywords:
Polypodiaceae Phymatopteris scale characters
分类号:
-
DOI:
-
文献标识码:
A
摘要:
光镜下比较研究了假瘤蕨属(水龙骨科)2系、5亚系36种植物鳞片的显微特征。结果表明:该属植物的鳞片具有3种形状:卵状盾形、卵状钻形和披针形;3种边缘:全缘、微缘毛及纤维状毛。鳞片特征在系间具有一定的区别:不裂系具有卵状钻形或卵状盾形、全缘或具微缘毛的鳞片;羽裂系具有卵状盾形和披针形的鳞片,边缘以具微缘毛及纤维状毛为主。鳞片的形状及边缘具有一定的对应关系。另外,鳞片的边缘与叶片的边缘也有一定的对应关系。该文研究并图示了这两种对应关系。
Abstract:
Characters of scales of 36 species,representing 2 series and 5 subseries of the genus Phymatopteris (Polypodiaceae),are examined by means of light microscopy. There are three types of scale shapes in this genus:ovate ?eltate,ovate ubulate and lanceolate. Also three types of scale margin are presented:entire,ciliolate and fimbriate. Scales characters are different between the series:the ovate ubulate or ovate ?eltate scales with entire or ciliolate margin often occur in simple series I;while the ovate ?eltate and lanceolate scales with ciliate or fimbriate in margin usually present in pinnatifid series II.The correlations among the shape and margin of the scale and between the margins of blade and scale were found. At last,these two correlations were discussed and illustrated.

参考文献/References

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备注/Memo

备注/Memo:
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更新日期/Last Update: 2011-04-07